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there is no "all" key on the keyboard
The keys on a computer keyboard are used to type letters and perform functions such as save for copy and paste. The keys on a musical keyboard are used to produced different notes.
Manipulative keys are special keys used to manipulate data in the document.
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http://www.cookco.us/technology/shortcut_keys.htm
They keyboard has many different functions that provide an easier way to use the computer without a mouse if necessary. The different parts of the keyboard include the function keys, navigation keys, numeric keypad, special keys, typewriter keyboard and the escape key.
The five major groups of keys on a standard keyboard are:The typewriter keys (letters and numbers)The function keys (F1, F2, etc.)The numeric keypad (numbers organized like a calculator keypad)The insert, home, page up keys and their oppositesThe up, down, left right navigation arrow keys
The function keys are the top row of keys on the keyboard, normally labelled F1-F12.By themselves they have no function - they are 'blank' spare keys meant for programs that want a place to put various keyboard shortcuts.That is, the function of the function keys is not determined by the keys but by the program using them, and could be anything or nothing.
104 keys in the keyboard
The computer keyboard is the same as the typewriter keyboard. The typewriter did have special keys that were not on the keyboard, like the tab keys that indented. The keyboard also has extra function keys that were not on the typewriter.
Keys - as in a board of keys = keyboard
104 keys r there in a keyboard